1967 Chevrolet Impala SS "Fat Rat" Is a Bench-Seat Sleeper With a Big-Block Surprise  

The 1967 Chevrolet Impala SS "Fat Rat" epitomizes the concept of a sleeper car, boasting a deceptive appearance hiding a potent surprise under its hood.  

Despite its unassuming bench-seat interior and classic styling, this Impala houses a monstrous big-block engine,

delivering jaw-dropping performance. The "Fat Rat" nickname aptly describes its hefty power output,

which often catches competitors off guard. Introduced during the golden era of American muscle cars, the Impala SS blended style with brute force,

earning a reputation as a formidable contender on the streets and drag strips alike.

Its large frame and comfortable seating belie the ferocity lurking within,